Vocab
Vocab II
100
The species present in a substance, usually atoms, molecules, or formula units
What are representative particles?
100
The mass of an atom of an element
What is atomic mass?
200
The mass of one mole of any element or compound
What is molar mass?
200
0 degrees Celsius and 101.3 kPa (1 atm) are conditions known as...
What is Standard Temperature and Pressure (STP)?
300
6.02 x 10 23 representative particles of a substance
What is one mole? -OR- What is Avogadro's number?
300
The percent by mass of each element in a compound
What is percent composition?
400
22.4 L of any gas measured at STP is called the...
What is molar volume?
400
This hypothesis states that "equal volumes of gases at the same temperature and pressure contain equal numbers of particles"
What is Avogadro's hypothesis?
500
The lowest whole-number ratio of the atoms of elements in a compound
What is empirical formula?
500
A basic whole-number multiple of an empirical formula
What is molecular formula?
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